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282889 is a prime number
BaseRepresentation
bin1000101000100001001
3112101001101
41011010021
533023024
610021401
72255515
oct1050411
9471041
10282889
111835a2
12117861
139b9b9
1475145
1558c44
hex45109

282889 has 2 divisors, whose sum is σ = 282890. Its totient is φ = 282888.

The previous prime is 282881. The next prime is 282907. The reversal of 282889 is 988282.

282889 is nontrivially palindromic in base 13.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 71289 = 460^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 282889 - 23 = 282881 is a prime.

It is a magnanimous number.

282889 is an undulating number in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141444 + 141445.

It is an arithmetic number, because the mean of its divisors is an integer number (141445).

2282889 is an apocalyptic number.

It is an amenable number.

282889 is a deficient number, since it is larger than the sum of its proper divisors (1).

282889 is an equidigital number, since it uses as much as digits as its factorization.

282889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 282889 is about 531.8731051670. The cubic root of 282889 is about 65.6455593936.

The spelling of 282889 in words is "two hundred eighty-two thousand, eight hundred eighty-nine".